Clarence Darrow, left, and William Jennings Bryan sit beside each other at the Scopes Monkey Trial in Dayton, Tenn., in this 1925 file photo. Darrow was one of three lawyers sent to Dayton by the American Civil Liberties Union to defend John T. Scopes, a biology teacher, in his test of Tennessee's law banning the teaching of evolution. Bryan testified for the prosecution as a Bible expert.